企业案例19--5000吨多用途船船体总纵强度计算书解析VIP免费

借（通）用件登记描图描校旧底图总号5000吨级多用途货船底图总号标记数量修改单号签字日期船体总纵强度计算书编制打字签字校对总面积4.38m2共73页第1页标检m2日期审核审定日期船体总纵强度计算书共73页第2页1概述：本船为钢质船体，货舱、机舱区域为双层底，其他区域为单底，货舱为双舷，首尾设平台甲板，货舱区域为纵骨架式，其他区域均为横骨架式焊接结构。本船总纵强度按“CCS”2001年颁布《钢质海船入级与建造规范》第2篇第2章的有关规定进行核算。2船舶主要尺度总长LOA=98.00m设计水线长LWL=94.39m垂线间长LPP=91.50m计算船长L=91.50m(取L=LPP)型宽B=15.80m型深D=7.40m设计吃水d=5.90m型排水体积▽=6497.00m3方形系数Cb=▽/LBd=0.762主甲板货舱口1H×b=30.72m×12.36m1H/1BH=30.72/32.64=0.941b/B1=12.36/15.80=0.7823总纵强度计算3.1波浪弯矩和波浪切力§2.2.33.1.1波浪弯矩Mw3.1.1.1中拱波浪弯矩：Mw（+）=+190MCL2BCb×10-3=+190×1.0×7.739×91.502×15.80×0.762×10-3=148215KN·m式中：C=10.75-23100300L=7.7393.1.1.2中垂波浪弯矩：Mw（-）=-110MCL2B（Cb+0.7）×10-3=-110×1.0×7.739×91.52×15.80（0.762+0.7）×10-3=-164636KN·m3.1.2波浪切力Fw3.1.2.1中拱波浪切力：Fw（+）=+30F1CLB（Cb+0.7）×10-2=+30×1.0×7.739×91.5×15.80（0.762+0.7）×10-2=4907.18KN式中：F1=1.03.1.2.2中垂波浪切力：Fw（-）=-30F2CLB（Cb+0.7）×10-2=-30×0.92×7.739×91.5×15.80（0.762+0.7）×10-2=-4514.60KN式中：F2=0.92船体总纵强度计算书共73页第3页3.2船体梁剖面特性计算§2.2.43.2.1中横剖面图(见附图1)3.2.2船体梁剖面特性计算表：编号构件名称构件尺寸(mm)剖面积A(cm2)距离Z(m)静矩A·Z(cm2·m)惯性矩A·Z2(cm2·m2)自身惯矩I(cm2·m2)1平板龙骨-14×900126.000002船底板-12×5630675.600.1494.5813.243舭列板-12×2070248.400.67166.43111.5127.384舷侧外板-12×4300516.003.571842.126576.37795.075舷顶列板-14×1800252.006.601663.2010977.1268.046主甲板-14×1720240.807.4251787.9413275.457舱口围板加强桁10010L62.08.30514.604271.188舱口围板加强角钢L200×125×1134.907.85273.972150.639舱口水平桁0150250020130.008.751137.509953.1310舱口围板-14×2020282.807.7552193.1117007.6096.1611斜板-10×1000100.006.40640.004096.0012斜板纵骨∟140×90×12×252.806.61349.012306.9413甲板纵骨∟140×90×12×252.807.29384.912806.0114内舷板-10×4800480.003.651752.006394.80921.6015内外舷纵骨(上)∟125×80×12×5117.005.687665.383784.0116内外舷纵骨(中)∟125×80×12×5117.003.752438.981647.0717内外舷纵骨(下)∟140×90×12×4105.602.131225.03479.5518水平隔板-10×1000×3300.004.651395.006486.7519内底板-12×7886946.321.251182.901478.6320中桁材-12×1250×2175.000.62546.8829.309.7721旁桁材-11×3282361.020.701253.08177.4136.0022内底纵骨∟140×90×12×10264.001.155304.92352.1823外底纵骨∟140×90×12×10264.000.24564.6815.85∑5804.042.99417376.2296348.26船体总纵强度计算书共73页第4页3.2.2.1实船中剖面对水平中和轴惯性矩I：I=22994.204.580426.96348=88640cm2·m2=8.864×108cm43.2.2.2甲板处的船中剖面模数Wd：36810013.2)5.299740(10864.8cmZIWdd3.2.2.3船底处的船中剖面模数Wb：36810959.25.29910764.8cmZIWbb3.2.2.4货舱口围板顶的船中剖面模数36810567.161.56510764.8cmZIWth式中：Zt=ZC80.1518.62.09.04.2996.8772.09.01By=565.613.3船体梁弯曲强度§2.2.53.3.1船中最小剖面模数W0W0=CL2B(Cb+0.7)=7.739×91.52×15.80(0.762+0.7)=1496689cm3=1.497×106cm3